baber/WOPTO huggingface dataset:
Patent JP-2003174948-A (JP)
Title: Folding chair
Inventor: TAKANAMI HISAO
IPC: A47C4/28
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a folding chair of a multi-seat type mainly used outdoors, which can be used jointly with the child.  <P>SOLUTION: In this folding chair having a plurality of seats, square frame- like side frames 1a, 1b, 1c are arranged side by side, a seating cloth is stretched between the upper sides of seating frame rods 3A, 3B, the lower parts of which are pivoted on the side frames, and the middle parts of which are intersected with the crossing parts connected, and link levers 4A, 4B are interposed between the upper position of the crossing connecting part and the side frame in the seat frame. The seat frame rods arranged in the side frame rod are formed so that the position of the seating cloth is higher than the position of the adjacent seating cloth.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002203328-A (JP)
Title: Near field light recording device
Inventor: KIM SOO-KYUNG
IPC: G11B7/1372
Filed: 2001-12-11
Abstract: PROBLEM TO BE SOLVED: To provide a near field light recording device having the ability to fully suppress temperature rise of the lens, where the device has the need of bringing the surface of a recording medium and that of the lens very close to each other. SOLUTION: The near field light recording device, in which near field light is made incident on a recording medium to record or reproduce information, is constituted such that a head slider 2 mounted with a counter lens 24 placed opposite closely to the surface of the recording medium 20 is formed with an air guiding channel 28 from the outside of the head slider to the counter lens 24. This air guiding channel is formed in the manner that an air flow produced by disk rotation is easy to enter.
Patent JP-2003178719-A (JP)
Title: Fluorescent lamp
Inventor: IKEDA TATSUYA
IPC: H01J65/00
Filed: 2001-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluorescent lamp in which high luminance emission suitable for a backlight light source or the like can be easily obtained.  <P>SOLUTION: This is a fluorescent lamp that comprises a glass bulb 1 in which on an inner wall a phosphor film 2 is formed and a discharge medium including a rare gas is filled, a pair of terminal lead wires 5, 5 which are sealed and introduced opposed to each other at the both ends in the glass bulb 1, an inner electrode 6 which is stretched and sealed between the above facing terminal lead wires 5, 5, and an outer electrode 7 which is arranged in one body on the outer circumference of the glass bulb 1 throughout the nearly whole length in the tube axis direction. The above inner electrode 6 is stretched and sealed in the position eccentric to the center axis of the glass bulb 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002241387-A (JP)
Title: Method for producing array
Inventor: WEINBERG W HENRY
IPC: C07C251/08
Filed: 2001-12-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for the synthesis, screening and characterization of an organic metal compound and a catalyst (for example, a homogeneous catalyst). SOLUTION: A method for producing an array of an activated metal ligand compound comprises (a) a process for forming the first metal ligand compound in the first region on a substrate and forming the second metal ligand compound different from the first metal ligand compound in the second region on the substrate to form the arrays of the metal ligand compounds in the prescribed regions of the substrate at a space, and (b) a process for supplying one or more activating substances comprising ionizing agents or alkylating agents to the first region and the second region.
Patent JP-2003135365-A (JP)
Title: Roll type adhesive cleaner and its manufacturing method
Inventor: HIROTA TAKAYUKI
IPC: B29C53/58
Filed: 2001-12-12
Abstract: PROBLEM TO BE SOLVED: To provide a roll type adhesive cleaner and its forming method, wherein the separation-starting end is easy to search, a two-sheet separation is not generated, the manufacturing equipment is compact and does not require a high precision, and which is advantageous in cost. SOLUTION: A large number of single-face adhesive tapes T are laminated for a laminated body 12. In this case, the side edge sections s of the single-face adhesive tapes T for respective layers of the laminated body 12 are superposed for this roll type adhesive cleaner.
Patent JP-2003188119-A (JP)
Title: Polishing method for semiconductor wafer
Inventor: MORI TAKASHI
IPC: B24B37/10
Filed: 2001-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method capable of removing a ground strain layer on the reverse surface of a semiconductor wafer without providing large-scale facilities like in a method by chemical etching or producing substances which should be disposed of as industrial wastes in quantity.  <P>SOLUTION: A polished surface which is the reverse surface of the semiconductor wafer which rotates and is in a disk-like shape is polished by the method including a concentric polishing process for polishing the surface by rotating a polishing grindstone having a polishing layer having a larger diameter than the semiconductor wafer in substantially the same center of rotation as the center of rotation of the semiconductor wafer and an eccentric polishing process of polishing the surface by positioning the center of rotation of the polishing layer so that the outer circumferential edge of the polishing layer passes the center of rotation of the semiconductor wafer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003182604-A (JP)
Title: Electric power steering system
Inventor: YAMANAKA KOHEI
IPC: F16H57/02
Filed: 2001-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To prevent generation of abnormal sound by assembling a worm wheel and a worm shaft into an optimal mesh state only through working precision of the joining surfaces for assembling a gear housing and a casing of an electric motor, without considering any positional relation at the assembly.  <P>SOLUTION: Fixing portions 11 and 73 for assembling are formed so as to oppose to each other in a direction perpendicular to a rotation axis X of the worm wheel 5 and a rotation axis Y of the worm shaft 6, as a yoke 7 is assembled to the housing 1. Opposed surfaces of both the fixing portions 11 and 73 for assembling have the assembly joining surfaces 11a and 73a in a direction parallel to the rotation axis X of the worm wheel 5 and the rotation axis Y of the worm shaft 6. With both assembly joining surfaces 11a and 73a fastened with bolts 8 and joined to each other, the yoke 7 is fixedly assembled to the housing 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003184348-A (JP)
Title: Flower vase structure for tomb
Inventor: ARAI DAIJIRO
IPC: E04H13/00
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flower vase structure for a tomb, which dispenses with a conventional flower vase, and elongates the life of fresh flowers by maintaining a balance between the quantity of flowers and water volume and changing the quantity of flowers in all seasons.  <P>SOLUTION: The present flower vase structure does not employ the conventional flower vase which contains insufficient water volume in a flower cylinder compared with the quantity of flowers. Some of the conventional flower vases have water tanks corresponding in size to their flower vase stands, which, however, expends manpower, and therefore the water tank of the present flower vase structure is reduced in size to half of the conventional one to meet the convenience of the user. Further, an entrance port for the water tank has a openable door. Then, a fresh flower adjusting support board is employed and a gap is formed at a stem portion of the flowers, to thereby improve ventilation and water flow in the water tank and prevent stuffiness of the flowers. Further, compost is charged into the water tank to lower the temperature in the water tank and purify water in the same. Therefore, lower ends of the flower stems pierce the compost, to thereby invigorate the flowers.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003199569-A (JP)
Title: Transglutaminase gene of streptoverticillium ladakanum and transglutaminase encoded by the same
Inventor: I-SHIN RIN
IPC: A23L1/00
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To produce a large amount of an industrially useful transglutaminase at a low cost.  <P>SOLUTION: A DNA molecule encoding the transglutaminase of Streptoverticillium ladakanum, an expression vector containing the DNA molecule, a host cell containing the expression vector, a transglutaminase encoded by the DNA molecule and the use of the transglutaminase in industrial processes are provided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002233191-A (JP)
Title: Device for generating electricity from three-phase network, especially for on-road running vehicle
Inventor: GIRAUD REGIS
IPC: H02P9/00
Filed: 2001-12-19
Abstract: PROBLEM TO BE SOLVED: To provide a novel device for generating electricity mounted on a vehicle or a container. SOLUTION: This device for generating electricity includes a three-phase alternator (10) comprising three windings (10a, 10b, and 10c), a rectifier (6) for converting an alternating current transmitted by the alternator to a direct current, and a booster chopper (15) for boosting a voltage with the self- inductance of the alternator. This device also has a switching unit which can connect the three windings (10a, 10b, and 10c) in a star connection form when the alternator (10) rotates for generating electricity, or can connect three windings with respective phases (L1, L2, and L3) of a three-phase network when the alternator (10) is stopped.
Patent JP-2003187280-A (JP)
Title: Automatic charge collection system of toll road for realizing toll prepayment and its method
Inventor: MURAYAMA KAZUO
IPC: G06Q20/28
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To introduce a prepayment system in an ETC system which does not require stopping of a vehicle at a toll gate and lengthening of an island of the toll gate.  <P>SOLUTION: The prepayment system is provided with: a storage part 15 for storing a credit card number to be used for settlement of a toll of a toll road; a prepaid balance/use history storage part 17 for storing the prepaid balance information of the toll associated with the credit card number; a toll calculation part of an automatic charging system 1 for receiving vehicle family information and the credit card number from a vehicle 2 and calculating the toll for the vehicle; and a toll settlement processing part of a prepayment management part 12 for settling the toll by subtracting the toll from the prepaid balance. The toll settlement processing part settles the shortfall or the entire amount of the toll by using a credit card when the prepaid balance is smaller than the toll or no prepaid balance is left.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185136-A (JP)
Title: Combustion system
Inventor: YAMAGAMI KAORU
IPC: G04G5/00
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combustion system capable of satisfactorily receiving standard radiowave in a combustion system capable of utilizing time information by the standard radiowave.  <P>SOLUTION: This combustion system comprises a hot water supplier body 2 capable of utilizing the time information and a receiving unit 1 receiving the standard radiowave on time and feeding the time information to the hot water supplier body 2. The receiving unit 1 and the hot water supplier body 2 are remotely communicable with each other.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003186546-A (JP)
Title: Constant pressure regulator
Inventor: YOSHINO KENRO
IPC: G05D16/06
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a constant pressure regulator for stable fluid pressure control, that can maintain the sealing performance of a valve chamber over a long time and that can be used in a high-pressure fluid line.  <P>SOLUTION: The constant pressure regulator is comprised of a main body 1, a cover body 2, a ring 3 for forming air chamber that is held tightly with the body and the cover body and a diaphragm 4 that is locked with the cover body and the ring for forming air chamber. The body is provided with a first valve chamber 7 having a circular-cylinder-like plug 6 and an inlet channel 8. The diaphragm 4 is provided with a cylinder part 11 that forms a fluid control part 10 together with the plug 6, a first and a second membrane parts 15, 16 and a circular joining part 17. The cover body is provided with a second valve chamber 20 located above the diaphragm, a stopper 21 that defines the upper limit position for the diaphragm and an outlet channel 22. The ring for forming air chamber is provided with a step part 23 at its upper face and is joined to the circular joining part 17 at its center part. The step part 23 defines the lower limit position for the diaphragm.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002285505-A (JP)
Title: Surface-roughened nox purifying block
Inventor: TAWARA HIDEO
IPC: B01J21/06
Filed: 2001-12-20
Abstract: PROBLEM TO BE SOLVED: To further improve NOX purifying performance, to obtain skid resistance, to enhance even decorative properties and to roughen the surface of a titanium-dioxide containing surface layer with excellent economical efficiency by a simple means. SOLUTION: An NOX purifying block for pavement is manufactured in such a manner that a mortar surface layer 2 containing titanium dioxide is laminated and formed on a block course layer 1 and cured and the mortar surface layer is struck by the surface with projections of a roughened-surface forming tool with a large number of the projections and rough-finished. Accordingly, a part of the surface is peeled and the roughened surface is formed in the surface, and the roughened surface 4 shown in Fig. 1 is obtained.
Patent JP-2003196684-A (JP)
Title: Automatic ticket vending machine
Inventor: NAKAYAMA MINORU
IPC: G07B1/00
Filed: 2001-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic ticket vending machine which is well visible to people with weak eyesight, and which gives more information to people with good eyesight.  <P>SOLUTION: This automatic ticket vending machine is provided with a cash handling device 35, a card reading device 36, a touch panel type display device 32 of which display contents are variable in accordance with operation, an enlarging and contracting means 25 to enlarge or contract size of display in the display device 32, a ticket issuing device 37 to issue tickets by magnetically writing and printing the tickets, a display control device 34 to control the display device 32, a touch panel 12, and the enlarging and contracting means, and a control device 38 to control the devices. The display control device 34 is provided with scroll means 28 and 31 to scroll images on a display screen displayed by the display device 32.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003198634-A (JP)
Title: Network equipment and network system using the same
Inventor: MASUDA MICHIO
IPC: H04L12/931
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a package path cross connect device capable of efficiently housing various multi-way data system protocols for the purpose of the LAN side extension of an already existing basic network represented by CWDM and DWDM.  <P>SOLUTION: A giga bit Ethernet (R) multiple separating device used for the purpose of POINT-TO-POINT connection in GbE (giga bid Ethernet (R)) network 1b is extended, and a physical link unit cross connect function 1a is provided for extending an already existing user LAN housing capacity. In addition, a packet path is assigned to a conventional CWDM/10GbE path, a multi-layer switch configuration having not only the physical link unit cross- connect but also packet path unit cross connect function 1ac is adopted, and a flexible packet path assigning function is provided for improving path using efficiency by statistical multiple effects. Thus, it is possible to realize N:M communication.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003196878-A (JP)
Title: Information recording and reproducing device
Inventor: UENO FUMINORI
IPC: G11B7/135
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information recording and reproducing device in which a liquid crystal element is positioned and fixed and the liquid crystal element is prevented from being broken.  <P>SOLUTION: The flank of a fixed optical base 34 to which a fixed optical system of a semiconductor laser, beam shaping prisms 22a and 22b forming a reciprocal separate optical system, etc., is fitted is positioned and fitted abutting against the flank of a base to which an optical system of a movable part 9 such as an objective 17 is movably fitted, an opening which faces the movable part 9 is provided in the gap formed between the base 10 and the flank of the fixed optical base 34, and a liquid crystal holder 64 to which the liquid crystal element 26 is fixed is inserted into the part, positioned and fixed, and further elastically held by a liquid crystal holder fixing spring 65 to position and fix the liquid crystal element 26 while preventing the element from being broken.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003201648-A (JP)
Title: Weft length measuring and reserving system
Inventor: ANADA MASA
IPC: D03D47/36
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a weft length measuring and reserving system designed to prevent a weft from wrapping or nozzle skipping that may occur in the slight movement or reverse action of a loom.  <P>SOLUTION: This weft length measuring and reserving system includes an avoiding means which functions to set the system at a halt while maintaining one or more driven members so as to be operable to lift the halt upon being driven by the main shaft of the loom at least prior to subjecting the loom to slight movement or reverse action.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003180426-A (JP)
Title: Umbrella
Inventor: SAWARA MASAFUMI
IPC: A45B9/04
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an advertising means appealing psychological feelings of audiences.  <P>SOLUTION: In an umbrella 100 equipped with the shank 103, a plurality of ribs 104 moved around the tip end of the shank 102, and canopy cloth spread between the ribs 104, advertising information 130 is adhered on faces to the shank 102 side on the canopy cloth 120.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003189761-A (JP)
Title: Spinner bait for surface plug
Inventor: HONDA TAKEO
IPC: A01K85/10
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To arise an impulse of a fish toward its eating action by variously changing the movements of a blade (4) and a lure (5) and to make the fish jump at the lure.  <P>SOLUTION: One end of an upper arm (2) is provided with a rotary ring part (3) formed in a ring shape and a lower arm (1) is inserted into the ring. An eye (6) for a fishing line (10) is arranged at one end of the lower arm (1) and spacers (7) are fixed at both the sides of the rotary ring part (3) so as to sandwich the rotary ring part. A spacer (7) and an eye (6) are arranged at the other end of the lower arm. The other end of the lower arm is equipped with a swivel (9) and the lure (5). A connection eye (6) is arranged at the other end of the upper arm (2) and equipped with a swivel (9) by a split ring (8) and also with the blade (4).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003500628-A (JP)
IPC: C09C1/48
Filed: 2000-05-19
Abstract: Burner for producing soot comprises a combustion chamber (10), into which fuel gas and oxidizing gas is fed, and a soot feed line (50) with a mouth (45) exiting the chamber. A diffusing flame producing the soot particles is formed in the chamber. A further m (55) is formed in the soot feed line through which quenching gas is fed. Independent claims are also included for: (1) the production of soot comprising mixing a stream of soot particles exiting the combustion chamber with a quenching gas stream to blanket combustion processes in the stream of soot particles; and (2) a process for calibrating a soot particle measuring device.
Patent JP-2003532855-A (JP)
Title: 連続的に搬送される製品を乾燥させる乾燥装置および方法
IPC: F26B13/10
Filed: 2000-05-19
Abstract: (57)【要約】
  連続的に搬送される製品を乾燥する、特に集合糸を乾燥する乾燥装置（１）は、実質的に、第１の乾燥部（２）と第２の乾燥部（３）とを有している。乾燥部（２，３）の間には、製品（Ｗ）を通すための通路（４）が形成されている。第１の乾燥部（２）は第２の乾燥部（３）に対して可動に配されている。乾燥装置（１）が運転中止状態（Ｓ）にあるときに、第２の乾燥部（３）に対して第１の乾燥部（２）は通路（４）の断面積が運転状態（Ｂ）にあるときよりも大きくなるように配置される。
Patent JP-2003507000-A (JP)
Title: 磁界切替式モータの初期化および運転を行うための方法および装置、および磁界切替式モータを備えた装置
IPC: H02P6/00
Filed: 2000-07-12
Abstract: (57)【要約】
磁界切替式モータ（１０）を荷重下で較正するための方法および装置が開示されている。前記モータ（１０）の初期化とは、未較正座標系における回転子角度を示すデータを、励磁コイル（１７）（通常は固定子（１６）に取り付けられている）と既知の関係にある座標系に関連付けることを意味する。このような角度データは、続いて、モータ（１０）の所望の速度、トルクおよび回転方向などを得るのに適した順序およびタイミングで励磁コイルを励磁するのに利用することができる。既知の方向の試験電圧を、固定子および回転子の一方（励磁コイル（１７）が取り付けられている方）に印加し、各試験電圧を印加したことにより得られる回転子角度を測定する。未較正座標系と既知の座標系との間の誤差角度を求めるための式が、試験電圧を印加したことにより得られる回転子角度の関数として示されている。本発明を実行するための装置は、処理装置（２６）、電源（１２）、使用者入力素子（３５）、および電圧および／または電源センサ（３５）を備えたものとすることができる。処理装置（２６）は、開示された方法ステップを実行するための適切な手段を備えたものとすることができる。
Patent JP-2003508885-A (JP)
Title: 水に対する濡れ性の向上した多孔質炭素体
IPC: H01M8/10
Filed: 2000-08-30
Abstract: (57)【要約】
膜の酸化剤側に集まる固体高分子膜型燃料電池の水が、膜に接触する多孔質炭素体内に吸収されることにより、燃料電池電力設備内の電池セルの活性領域から除去される。処理された炭素体のいくつかは、アノード電極側の膜の乾燥を最小限に抑えるために、膜のアノード電極に水を供給するのにも使用可能である。炭素体内の細孔が、金属オキシ水酸化物化合物の前駆物質で部分的に充填または被覆され、この前駆物質は、変換されると、向上した濡れ性と水吸収能力を炭素体に付与することになる。充填材化合物の水酸化物は、炭素体に付着され、加熱されて、オキシ水酸化物に変換される。本願明細書で使用されるように、「オキシ水酸化物」という用語は、オキシ水酸化物、オキシ水酸化物水和物、酸化物水和物を含む。処理温度は、含浸された炭素体を不安定化させないように、十分低いものである。
Patent JP-2003508889-A (JP)
Title: 制御装置及びはんだ付け方法
IPC: H05K5/00
Filed: 2000-08-31
Abstract: (57)【要約】
表面実装可能な素子（２１）を備えたプリント基板（２）を有する制御装置においては、配線された素子（１４）がコネクタケーシング（１１）内に収容されている。コネクタ（１）の接点ピン（１２）、配線された素子の接続線（１４１）及び表面実装可能な素子（２１）は、１回の共通の作業段階ではんだ付けされる。
Patent JP-2003510662-A (JP)
Title: 音声認識器における綴りモード
IPC: G10L15/32
Filed: 2000-09-25
Abstract: (57)【要約】
音声認識システムは、音声を表す信号（ＳＩＳ）を受け取る入力と、信号を認識し、認識された信号を単語として表現する認識ユニットとを具備する。認識ユニットは、信号を、複数の綴り方リファレンス単語を含む綴り方一覧表と比較する綴りモード認識器を含む。綴りモード認識器は、綴り方リファレンス単語の中の最大尤度単語と関連した単一綴り文字を識別する。綴り方一覧表は、同じ単一綴り文字と関連した少なくとも二つの多重文字綴り方リファレンス単語を含む。
Patent JP-2003512988-A (JP)
Title: ナノ結晶ガラスセラミックファイバの製造方法
IPC: C03B37/10
Filed: 2000-10-18
Abstract: (57)【要約】
ガラスセラミックの製造方法であって、光電子工学装置に用いるクラッド光ファイバもしくは別の部品のような、光電子工学材料の製造方法。前記方法は、遷移金属もしくはランタニド元素などから、少なくとも１種類の光学的活性イオンを添加されたナノ結晶体ガラスセラミックの素となる、先駆ガラスのガラス組成塊を用意するステップと、前記塊を溶解するステップと、ガラス棒を形成するステップと、チューブ形状の化学的に不活性なクラッド材料で前記ガラス棒を取り囲むステップと、組み合わされた先駆ガラス「ケイン−イン−チューブ」から、前記先駆ガラス組成の液相線温度よりやや高い温度で、ガラスファイバを引き伸ばすステップと、引き伸ばされたクラッドガラスファイバの少なくとも一部に、前記コア組成内でナノ結晶を進展させるための条件で熱処理を施すステップと、によって構成され、ガラスセラミックが形成される。
Patent JP-2003514454-A (JP)
IPC: G06T19/00
Filed: 2000-11-07
Abstract: A method for inserting a target image into images of an image stream of a real site taken by a camera (108), the method comprising: receiving a stream of original images taken by a camera (108) of a real, three-dimensional site; placing at least one target image into a three-dimensional model of the site on at least one target area (502, 504); for each original image (400) in the image stream, rendering the three-dimensional model using data on a position and pointing direction of the camera (108) in the real site to generate a mask (900) and a rendered image containing said at least one target image (604); determining a background area (400a) in the original image (400) separate from the at least one target area (502, 504) using the mask (900); and combining the background area (400a) of the original image (400), and the at least one target image (604) into an output image (400e).
Patent JP-2003514473-A (JP)
IPC: H04B15/02
Filed: 2000-11-13
Abstract: A method of noise suppression to suppress noise in a signal containing background noise ( 314 ) in a communications path between a cellular communications network and a mobile terminal. The method comprises the steps of: estimating and up-dating a spectrum of the background noise ( 332, 334 ); using the background noise spectrum to suppress noise in the signal; generating an indication to indicate the operation of at least one of a discontinuous transmission unit (DTX) and a bad frame handling unit (BFI); and freezing estimating and up-dating of the spectrum of the background noise when the indication is present.